Wow, cleeds, sir what planet are you living on. I don't know what you do but when I play a record it comes out of the sleeve directly onto the platter, the sweep arm is placed, the tonearm is cued and the dust cover goes right down. On the return trip the process is mirror imaged. The record is not in the open air for more that 20 seconds. A 1/2 hour?
There is one difference. After the record is away I wipe all that dust that I just ground into the record off the sweep arm (on a felt pad) I do not know which sweep arm you used but mine tracks with the tonearm perfectly and gets every spec of dust on the surface. I do have to be careful not to shake the brush when I remove it from the record or I wind up dusting the record. It is only older records I have not played for years that have any dust on them, contamination from the old paper sleeves. As I play them I am replacing all the old sleeves with new plastic ones. Records already updated have very little if any dust on them. The sweep usually comes off the record visibly clean.
There is one difference. After the record is away I wipe all that dust that I just ground into the record off the sweep arm (on a felt pad) I do not know which sweep arm you used but mine tracks with the tonearm perfectly and gets every spec of dust on the surface. I do have to be careful not to shake the brush when I remove it from the record or I wind up dusting the record. It is only older records I have not played for years that have any dust on them, contamination from the old paper sleeves. As I play them I am replacing all the old sleeves with new plastic ones. Records already updated have very little if any dust on them. The sweep usually comes off the record visibly clean.